[INFO] cloning repository https://github.com/hanwencheng/Substrate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hanwencheng/Substrate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanwencheng%2FSubstrate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanwencheng%2FSubstrate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 199daa3e4db99a5895c0cec9f0a7769ce74c0181
[INFO] checking hanwencheng/Substrate against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanwencheng%2FSubstrate" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hanwencheng/Substrate on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hanwencheng/Substrate
[INFO] finished tweaking git repo https://github.com/hanwencheng/Substrate
[INFO] tweaked toml for git repo https://github.com/hanwencheng/Substrate written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/hanwencheng/Substrate already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e34e6a039ed2178fe8fb0920c13570ae6726d083bfd5d1df09c71974514352e
[INFO] running `Command { std: "docker" "start" "-a" "7e34e6a039ed2178fe8fb0920c13570ae6726d083bfd5d1df09c71974514352e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e34e6a039ed2178fe8fb0920c13570ae6726d083bfd5d1df09c71974514352e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e34e6a039ed2178fe8fb0920c13570ae6726d083bfd5d1df09c71974514352e", kill_on_drop: false }`
[INFO] [stdout] 7e34e6a039ed2178fe8fb0920c13570ae6726d083bfd5d1df09c71974514352e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5c28372d82b08d2f5c5515d32dd00e5c38e4dcd3aae153a6707fc63e3681657
[INFO] running `Command { std: "docker" "start" "-a" "e5c28372d82b08d2f5c5515d32dd00e5c38e4dcd3aae153a6707fc63e3681657", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling tiny-keccak v2.0.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking bitvec v0.15.2
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking sp-std v2.0.0-alpha.3 (/opt/rustwide/workdir/primitives/std)
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling multimap v0.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling wasm-bindgen v0.2.58
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.59.0 (https://github.com/paritytech/wasmtime?branch=a-thread-safe-api#851887d8)
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling wasmtime-environ v0.12.0 (https://github.com/paritytech/wasmtime?branch=a-thread-safe-api#851887d8)
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking ipnet v2.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking wasmparser v0.51.4
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling protobuf v2.10.1
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking parity-bytes v0.1.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.53.1
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling substrate-wasm-builder-runner v1.0.5 (/opt/rustwide/workdir/utils/wasm-builder-runner)
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling parity-wasm v0.41.0
[INFO] [stderr]    Compiling untrusted v0.7.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling hash-db v0.15.2
[INFO] [stderr]    Compiling environmental v1.1.1
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling data-encoding v2.2.0
[INFO] [stderr]    Compiling send_wrapper v0.4.0
[INFO] [stderr]    Compiling bs58 v0.3.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling integer-sqrt v0.1.3
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling sysinfo v0.11.7
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling arc-swap v0.4.4
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling c_linked_list v1.1.1
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling parity-send-wrapper v0.1.0
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.0-alpha.3 (/opt/rustwide/workdir/client/consensus/slots)
[INFO] [stderr]    Compiling interleaved-ordered v0.1.1
[INFO] [stderr]    Compiling target_info v0.1.0
[INFO] [stderr]    Compiling substrate-build-script-utils v2.0.0-alpha.3 (/opt/rustwide/workdir/utils/build-script-utils)
[INFO] [stderr]    Compiling bitmask v0.5.0
[INFO] [stderr]     Checking oorandom v11.1.0
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]     Checking substrate-test-utils v2.0.0-alpha.3 (/opt/rustwide/workdir/test-utils)
[INFO] [stderr]    Compiling chain-spec-builder v2.0.0-alpha.3 (/opt/rustwide/workdir/bin/utils/chain-spec-builder)
[INFO] [stderr]     Checking send_wrapper v0.3.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking rlp v0.4.4
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking quicksink v0.1.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking wast v9.0.0
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking linked_hash_set v0.1.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling test-case v0.3.3
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling trie-root v0.16.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.14/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=7107e72f91dd3caa -C extra-filename=-7107e72f91dd3caa --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e5c28372d82b08d2f5c5515d32dd00e5c38e4dcd3aae153a6707fc63e3681657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c28372d82b08d2f5c5515d32dd00e5c38e4dcd3aae153a6707fc63e3681657", kill_on_drop: false }`
[INFO] [stdout] e5c28372d82b08d2f5c5515d32dd00e5c38e4dcd3aae153a6707fc63e3681657